Home / 119,732.18-165,229.07-66,021.89

Finding the Fourth Proportional to 119,732.18, 165,229.07 and 66,021.89

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Solution

The fourth proportional to 119,732.18, 165,229.07 and 66,021.89 is: 91,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,732.18 : 165,229.07 = 66,021.89 : x
  2. Step 2: Convert to fraction form
    119,732.18/165,229.07 = 66,021.89/x
  3. Step 3: Cross multiply
    119,732.18x = 165,229.07 × 66,021.89
  4. Step 4: Simplify right side
    119,732.18x = 10,908,734,328.09
  5. Step 5: Solve for x
    x = 10,908,734,328.09/119,732.18
  6. Step 6: Final answer
    x = 91,109.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.